V-Lab
PowerBank Corp GJR-GARCH Volatility Analysis
Volatility prediction for Monday, October 5th, 2026
1 Day
152.54%
increased by 44.14%
1 Week
148.77%
increased by 40.37%
1 Month
139.10%
increased by 30.70%
Analysis last updated: Friday, October 2, 2026 at 10:54 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 8, 2024 to Oct 2, 2026Model Insight
Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 8-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 4.8347 | 1.75* |
| αARCH | 0.3567 | 1.54 |
| βGARCH | 0.6733 | 4.95*** |
| γleverage | -0.2174 | -0.98 |
0.921
Persistence8d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 4.8347 | 1.75* |
α ARCH Response to squared shocks | 0.3567 | 1.54 |
β GARCH Volatility persistence | 0.6733 | 4.95*** |
γ leverage Additional response to negative shocks | -0.2174 | -0.98 |
Persistence:
0.921
Half-life:
8 days
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